CANFlex Flex Fuel Ethanol Content Sensor for E85 Fuel Monitoring 2025+ Gen 3 B48 MINI

If you're running E85 or ethanol mixes in your  B48 Powered MINI, you need this kit!

Know your exact ethanol content in real-time via the CANFlex or JB4 app on your smartphone or tablet.

This complete flex fuel kit (FFK), also known as an ethanol sensor kit, E85 sensor, flex fuel sensor, ethanol content sensor, fuel composition sensor, or flex fuel composition sensor, installs in about 30 minutes.

The CANflex ECA works as an ethanol content analyzer, E85 analyzer, and Bluetooth flex fuel analyzer in one compact system. It reads your fuel mixture using a genuine Continental® ethanol sensor and outputs the data through CANbus, Bluetooth, a built-in LED display, and 5v output for legacy support. 

Perfect for Gen 3 B48 Powered MINI owners running E85 blends or wanting accurate real-time ethanol data for JB4 or other tuning systems.

Kit includes:

• Genuine Continental® ethanol sensor
  
• BMS Bluetooth CANflex ECA with LCD display
• Custom billet fittings and steel braided fuel line
• 5/16" to 3/8" billet fitting
• 4' custom extension harness
  
• BMS CANflex Bluetooth app
  
• CAN LED silicone cover

• Tube of Super Lube®
  

Download the free BMS CANflex app here:

Features and Benefits
• Monitor ethanol content live through the FREE JB4PRO or CANFlex app
• Seamless JB4 integration with real-time ethanol content monitoring
• Plug-and-play CAN integration with no guesswork or manual tuning
• Designed for 2025+ Gen 3 B48 MINI owners who want more power without compromises
• The cleanest way to add flex fuel capability to your B48 engine

Vehicle Fitment

• 2025+ MINI Cooper Hardtop 4-Door (F65)
• 2025+ MINI Cooper S Hardtop 4-Door (F65)
• 2025+ MINI Cooper Hardtop 2-Door (F66)
• 2025+ MINI Cooper S Hardtop 2-Door (F66)
• 2025+ MINI John Cooper Works Hardtop (F66)
• 2025+ MINI Cooper Convertible (F67)
• 2025+ MINI Cooper S Convertible (F67)
• 2025+ MINI John Cooper Works Convertible (F67)
• 2025+ MINI Countryman S ALL4 (U25)
• 2025+ MINI John Cooper Works Countryman ALL4 (U25)

*For the MINI JB4 platform connect the blue wire to position #16 on the JB4 25 pin harness. Select WMI Ethanol Setup option 0.

Vehicle fitment